/******************************************************************************
 *                  Shanghai ChipON Micro-Electronic Co.,Ltd                  *
 ******************************************************************************
 *  $File Name$       : main.c                                         	      *
 *  $Author$          : ChipON AE/FAE Group                                   *
 *  $Data$            : 2021-12-20                                             *
 *  $AutoSAR Version  : V1.0	                                              *
 *  $Description$     : This project demonstrates the use of CRC module to 	  *
 *  					verify a series of data		  						  *
 ******************************************************************************
 *  Copyright (C) by Shanghai ChipON Micro-Electronic Co.,Ltd                 *
 *  All rights reserved.                                                      *
 *                                                                            *
 *  This software is copyrght protected and proprietary to                    *
 *  Shanghai ChipON Micro-Electronic Co.,Ltd.                                 *
 ******************************************************************************
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  *
 *                     		REVISON HISTORY                               	  *
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  *
 *  Data       Version  Author        Description                             *
 *  ~~~~~~~~~~ ~~~~~~~~ ~~~~~~~~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  *
 *  2021-12-20 00.01.00 FAE Group     new creat                               *
 *                                                                            *
 *                                                                            *
 *****************************************************************************/

/******************************************************************************
**                      		Include Files                                **
******************************************************************************/
#include "system_init.h"
#include "stdio.h"
#include "Usart.h"

/******************************************************************************
**                      	Private variables                                **
******************************************************************************/
/* CRC data, to be calculating */
static uint32_t DataBuffer[] =
{
	0x00001021,
	/*0x20423063, 0x408450a5, 0x60c670e7, 0x9129a14a, 0xb16bc18c,
	0xd1ade1ce, 0xf1ef1231, 0x32732252, 0x52b54294, 0x72f762d6, 0x93398318,
	0xa35ad3bd, 0xc39cf3ff, 0xe3de2462, 0x34430420, 0x64e674c7, 0x44a45485,
	0xa56ab54b, 0x85289509, 0xf5cfc5ac, 0xd58d3653, 0x26721611, 0x063076d7,
	0x569546b4, 0xb75ba77a, 0x97198738, 0xf7dfe7fe, 0xc7bc48c4, 0x58e56886,
	0x78a70840, 0x18612802, 0xc9ccd9ed, 0xe98ef9af, 0x89489969, 0xa90ab92b,
	0x4ad47ab7, 0x6a961a71, 0x0a503a33, 0x2a12dbfd, 0xfbbfeb9e, 0x9b798b58,
	0xbb3bab1a, 0x6ca67c87, 0x5cc52c22, 0x3c030c60, 0x1c41edae, 0xfd8fcdec,
	0xad2abd0b, 0x8d689d49, 0x7e976eb6, 0x5ed54ef4, 0x2e321e51, 0x0e70ff9f,
	0xefbedfdd, 0xcffcbf1b, 0x9f598f78, 0x918881a9, 0xb1caa1eb, 0xd10cc12d,
	0xe16f1080, 0x00a130c2, 0x20e35004, 0x40257046, 0x83b99398, 0xa3fbb3da,
	0xc33dd31c, 0xe37ff35e, 0x129022f3, 0x32d24235, 0x52146277, 0x7256b5ea,
	0x95a88589, 0xf56ee54f, 0xd52cc50d, 0x34e224c3, 0x04817466, 0x64475424,
	0x4405a7db, 0xb7fa8799, 0xe75ff77e, 0xc71dd73c, 0x26d336f2, 0x069116b0,
	0x76764615, 0x5634d94c, 0xc96df90e, 0xe92f99c8, 0xb98aa9ab, 0x58444865,
	0x78066827, 0x18c008e1, 0x28a3cb7d, 0xdb5ceb3f, 0xfb1e8bf9, 0x9bd8abbb,
	0x4a755a54, 0x6a377a16, 0x0af11ad0, 0x2ab33a92, 0xed0fdd6c, 0xcd4dbdaa,
	0xad8b9de8, 0x8dc97c26, 0x5c644c45, 0x3ca22c83, 0x1ce00cc1, 0xef1fff3e,
	0xdf7caf9b, 0xbfba8fd9, 0x9ff86e17, 0x7e364e55, 0x2e933eb2, 0x0ed11ef0
	*/
};

/******************************************************************************
**                      		Global Functions                             **
******************************************************************************/
/**
 *  @brief :Reset CRC module, polynomial of default CRC32 is 0x04C11DB7
 *  @param in :Data to be verified
 *  @param out :Data lenth
 *  @retval :CRC check result
 */
uint32_t CRC32_CalcBlock(uint32_t *InputDataBuffer, uint16_t InputDataLenth)
{
	uint32_t i;
	CRC_InitTypeDef CRCInitStruct;

	/* Reset and Enable CRC module */
	CRC_Reset();
	CRC_SET_PLN(0x04C11DB7);
	CRC_SET_INITVALUE(0xFFFFFFFF);
	CRC_SET_RXOR(0xFFFFFFFF);
	CRCInitStruct.m_CalUnitReset = CRC_CAL_RSET_ENABLE;
	CRCInitStruct.m_InputSize = CRC_INPUT_SEZE_32;
	CRCInitStruct.m_InputReverse = CRC_INPUT_REVERSE_DISABLE;
	CRCInitStruct.m_ResultReverse = CRC_RESULT_REVERSE_DISABLE;
	CRC_Configuration(&CRCInitStruct);
	for (i = 0; i < InputDataLenth; i++)
	{
		CRC_INPUT_DATA(InputDataBuffer[i]);
	}
	return CRC_GET_RESULT();
}

/**
 *  @brief :Configure PA3 remap to USART TX
 *  		Configure PE7 remap to USART RX
 *  @param in :None
 *  @param out :None
 *  @retval :None
 */
void UsartGpioInit(void)
{
	GPIO_InitTypeDef GPIO_InitStructure;

	/* Configure PA3 remap mode */
	GPIO_InitStructure.m_Mode = GPIO_MODE_RMP;
	GPIO_InitStructure.m_OpenDrain = GPIO_POD_PP;
	GPIO_InitStructure.m_PullDown = GPIO_NOPULL;
	GPIO_InitStructure.m_PullUp = GPIO_NOPULL;
	GPIO_InitStructure.m_Speed = GPIO_LOW_SPEED;
	GPIO_InitStructure.m_Pin = GPIO_PIN_MASK_3;
	GPIO_Configuration(GPIOA_SFR , &GPIO_InitStructure);
	/* Configure PE7 remap mode, as RX pin, it should be pullup */
	GPIO_InitStructure.m_PullUp = GPIO_PULLUP;
	GPIO_InitStructure.m_Pin = GPIO_PIN_MASK_7;
	GPIO_Configuration(GPIOE_SFR , &GPIO_InitStructure);
	/* Configure PA3 remap function to AF3 */
	GPIO_Pin_RMP_Config(GPIOA_SFR, GPIO_Pin_Num_3, GPIO_RMP_AF3);
	/* Configure PE17 remap function to AF3 */
	GPIO_Pin_RMP_Config(GPIOE_SFR, GPIO_Pin_Num_7, GPIO_RMP_AF3);
}


/*******************************************************************************
**                     			main Functions 		             	     	  **
*******************************************************************************/
int main()
{
	/* Initialize the system clock is 72M */
	SystemInit(72);
	/* Initialize the USART IOs */
	UsartGpioInit();
	/* USARTx configured as follow:
		- BaudRate = 115200 baud
		- Word Length = 8 Bits
		- One Stop Bit
		- No parity
		- Hardware flow control disabled (RTS and CTS signals)
		- Receive and transmit enabled
	 */
	USART_Async_config(USART0_SFR);
	/* Initialize the USART IOs */
	printf("START CRC32 \r\n");
	/* CRC calculates and outputs observation data through USART0 */
	printf("CRC Value is :0x%x\r\n",CRC32_CalcBlock(DataBuffer,	\
			sizeof(DataBuffer)/sizeof(DataBuffer[0])));
	while(1)
	{
	
	}		
}

/**
 *  @brief : Reports the name of the source file and the source line number
 *           where the assert_param error has occurred.
 *  @param in :	file pointer to the source file name
 * 	@param in :	line assert_param error line source number
 *  @param out :None
 *  @retval :None
 */
void check_failed(uint8_t* File, uint32_t Line)
{
	/* User can add his own implementation to report the file name and line number,
		ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

	/* Infinite loop */
	while(1)
	{
		;
	}
};
